This Guy Used 3D Printing to Help His 18-Year-Old Blind Pup Get Around Safely

You know, 3D printing has produced some wild stuff over the years, from itty bitty spacecraft and candy-firing wrist cannons to entire homes and personal protective equipment. But while some creations have been absolutely cursed (I'm looking at you, tongue brush), this safety hoop made to help a senior pup get around...